Answer
$(1.5,8.75)$
Work Step by Step
To find the maximum or minimum using a calculator, first plug the equation into the calculator under the "y=" menu. Next, select (2nd) and "trace." Finally, select maximum (option 4) for maximums and minimum (option 3) for minimums. Doing this, we find that there is a maximum of:
$(1.5,8.75)$